Why use a non contact voltage tester?
Why use a non contact voltage tester? A non-contact voltage tester is the quickest and simplest way to safely check for electrical current in a wire, outlet, switch, or old lamp that has mysteriously stopped working. It's a useful tool that every electrician carries. What does a low voltage warning mean in aircraft? The expected behavior of the low-voltage warning light is to indicate whenever the alternator does not provide power, but the battery does. It is normal behavior if the low-voltage warning light comes on when the engine is idling, since the alternator does not provide sufficient power at...